Big Reservoir

Phillips County, MT

MAYBEConfidence · Medium
Best bite window
Wed · Oct 28, 8 PM → 12 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Big Reservoir — light winds and rising pressure after a passing system for this window. Watch a front passing through and pressure swinging. Weather-only read (no on-water history calibrating this yet).

Full read

The current fishing-weather read for Big Reservoir in Phillips County, MT is MAYBE, with the best four-hour window on Wed, Oct 28 from 8 PM to 12 AM (America/Denver). The main factor in its favor is dry conditions across the window, and the main watch-out is a front passing through. During that window the forecast calls for wind near 7 mph out of the northwest, gusting to 19 mph, surface pressure near 916 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 32 °F, with a dominant forecast of clear. Confidence in this read is medium; it was generated October 26, 2026, 9:20 AM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather alone; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED October 26, 2026, 9:20 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
7mph

NW · gust 19

Rain / Weather
0in

Clear

Temp
32°F

0°C · hum 80%

Pressure
27.05inHg

Unstable

7-Day Fishing Forecast

One read per day — the bite call, the window, the weather behind it

  1. Mon · Oct 26
    Window passed
    MAYBE
    A front passing through
    43° / 27°F
    11 mph · Egust 34
    0.00 in
    ↓ -13.8 hPa
  2. Tue · Oct 27
    11 AM → 3 PM
    SKIP
    A front passing through
    41° / 34°F
    11 mph · Sgust 36
    0.24 in
    ↓ -6.7 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    41° / 30°F
    12 mph · Wgust 24
    0.00 in
    ↑ +12.8 hPa
  4. Thu · Oct 29
    2 PM → 6 PM
    MAYBE
    A front passing through
    37° / 27°F
    7 mph · NWgust 17
    0.00 in
    ↑ +5.6 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    45° / 28°F
    8 mph · Egust 28
    0.00 in
    ↓ -13.8 hPa
  6. Sat · Oct 31
    7 AM → 11 AM
    MAYBE
    A front passing through
    52° / 36°F
    4 mph · Wgust 18
    0.00 in
    ↑ +1.6 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    MAYBE
    A front passing through
    50° / 39°F
    4 mph · Sgust 9
    0.00 in
    ↓ +0.4 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+23.3 hPa over 72h
Rain
Light rain
0.34 in totallast 72h
Wind
Gusty
14 mph · gust 43 · NE
Temperature
Cooler
-19.3°F over 72h61–27°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

Nearby waters

Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.